package com.syq.web;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(urlPatterns = "/loginout")
public class LoginOutServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String method = req.getParameter("method");
        if("login".equals(method)) {
            resp.getWriter().println("<script>top.location.href='login.jsp'</script>");
        }else {
            //清除session
            req.getSession().invalidate();
            resp.setContentType("text/html;charset=utf-8");
            resp.getWriter().println("<script>alert('退出成功');top.location.href='login.jsp'</script>");
        }


    }
}
